Crucial has outed a new firmware update for the MX300. The wallet friendly SSD now can be upgraded towards firmware M0CR050 that will help with overall stability and error-correction.
Micron reiterates that the firmware update only is intended for the MX300 (all models) and that the update can be installed through the Storage Executive-software. You can also manually flash (go here).
Release Date: 5/16/2017
New Firmware Update improves Crucial MX300 Stability